도움이 되지 않거나 협조적이지 않아 유용하지 않은.
Not providing assistance, useful information, or cooperation in a way that would be beneficial.
예문:
"The customer service representative was surprisingly unhelpful when I asked for a refund."
"Providing vague instructions is unhelpful for new employees trying to learn the system."
"His unhelpful attitude during the group project caused significant delays for the whole team."